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Form 1 Chemistry: Simple classification of substances online lessons
Permanent and temporary changes and their characteristics
(14m 44s)
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1.
Meaning of elements, compounds and mixtures with examples
2.
The basic concepts for Separating mixtures.
3.
How decantation is carried out during separation of mixtures and its limitations
4.
How filtration is used to separate mixtures and its applications
5.
How evaporation is used in separation of mixtures and its applications
6.
The meaning and how Crystallization is used in separation of mixtures
7.
How Distillation is used to separate mixtures
8.
How sublimation is used to separate mixtures
9.
Meaning and the use of Chromatography in the separation of mixtures
10.
The Solvent extraction
11.
How a Separating funnel is used to separate mixtures
12.
Use of magnets in separation of mixtures
13.
Criteria for purity.,determination of purity,effects of impurity on melting point and boiling point
14.
States of matter and kinetic theory of matter
15.
The effect of heat on substances.,the processes involved in change of states of matter.
16.
Experiment: Investigating changes in temperature when ice is heated.
17.
Permanent and temporary changes and their characteristics
18.
Temporary (non-permanent) changes and its characteristics
19.
Differences between Physical and Chemical changes.
20.
Constituents of matter
21.
Examples of compounds and their constituent elements,characteristics of mixtures
22.
Differences between a mixture and a compound.
23.
Names and symbols of common elements,rules in writing chemical symbols.
24.
Importance of chemical names and symbols over common names.
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